<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章分类</span>
                <div class="extra">
                    <el-button type="primary"
                        @click="dialogVisible = true; title = '添加分类'; clearData()">添加分类</el-button>
                </div>
            </div>
        </template>
        <el-table :data="categories" style="width: 100%">
            <el-table-column label="序号" width="100" type="index"> </el-table-column>
            <el-table-column label="分类名称" prop="categoryName"></el-table-column>
            <el-table-column label="分类别名" prop="categoryAlias"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showDialog(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="deleteCategory(row)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
    </el-card>
    <!-- 添加分类弹窗 -->
    <el-dialog v-model="dialogVisible" :title=title width="30%">
        <el-form :model="categoryModel" :rules="rules" label-width="100px" style="padding-right: 30px">
            <el-form-item label="分类名称" prop="categoryName">
                <el-input v-model="categoryModel.categoryName" minlength="1" maxlength="10"></el-input>
            </el-form-item>
            <el-form-item label="分类别名" prop="categoryAlias">
                <el-input v-model="categoryModel.categoryAlias" minlength="1" maxlength="15"></el-input>
            </el-form-item>
        </el-form>
        <template #footer>
            <span class="dialog-footer">
                <el-button @click="dialogVisible = false">取消</el-button>
                <el-button type="primary" @click="title == '添加分类' ? addCategory() : updateCategory()"> 确认 </el-button>
            </span>
        </template>
    </el-dialog>
</template>

<script setup>
    import {
        Edit,
        Delete
    } from '@element-plus/icons-vue'
    import { ref } from 'vue'
    import {
        articleCategoryListService,
        articleCategoryAddService,
        articleCategoryUpdateService,
        articleCategoryDeleteService
    } from '@/api/article.js'
    import { ElMessageBox } from 'element-plus'
    const articleCategoryList = async () => {
        const res = await articleCategoryListService()
        categories.value = res.data
    }
    articleCategoryList()
    const categories = ref([])
    //控制添加分类弹窗
    const dialogVisible = ref(false)
    //添加分类弹窗标题
    const title = ref('')

    //添加分类数据模型
    const categoryModel = ref({
        categoryName: '',
        categoryAlias: ''
    })
    //添加分类表单校验
    const rules = {
        categoryName: [
            { required: true, message: '请输入分类名称', trigger: 'blur' },
        ],
        categoryAlias: [
            { required: true, message: '请输入分类别名', trigger: 'blur' },
        ]
    }
    //添加分类
    import { ElMessage } from 'element-plus'
    const addCategory = async () => {
        const res = await articleCategoryAddService(categoryModel.value)
        ElMessage.success('添加成功')
        //调用列表接口
        articleCategoryList()
        dialogVisible.value = false
    }
    //修改分类
    const updateCategory = async () => {
        const res = await articleCategoryUpdateService(categoryModel.value)
        ElMessage.success('修改成功')
        //调用列表接口
        articleCategoryList()
        dialogVisible.value = false
    }
    const clearData = () => {
        categoryModel.value.categoryName = ''
        categoryModel.value.categoryAlias = ''
    }
    //编辑分类
    const showDialog = (row) => {
        dialogVisible.value = true
        title.value = '编辑分类'
        categoryModel.value.categoryName = row.categoryName
        categoryModel.value.categoryAlias = row.categoryAlias
        //扩展属性
        categoryModel.value.id = row.id
    }
    //删除分类
    const deleteCategory = async (row) => {
        ElMessageBox.confirm(
            '是否确定删除该分类',
            '温馨提示',
            {
                confirmButtonText: '确定',
                cancelButtonText: '取消',
                type: 'warning',
            }
        )
            .then(async () => {
                const res = await articleCategoryDeleteService(row.id)

                ElMessage({
                    type: 'success',
                    message: '删除成功！',
                })
                //刷新列表
                articleCategoryList()
            })
            .catch(() => {
                ElMessage({
                    type: 'info',
                    message: '取消删除！',
                })
            })
    }
</script>

<style lang="scss" scoped>
    .page-container {
        min-height: 100%;
        box-sizing: border-box;

        .header {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
    }
</style>